This is a factory .40 S&W/.357 Sig 8-round magazine for Sig Sauer 1911 pistols.
John Browning’s iconic masterpiece meets perfectionist Swiss craftsmanship in a rugged, combat-ready package with Sig Sauer’s line of 1911 pistols.
These magazines are designed for Sig 1911 pistols chambered in .40 S&W/.357 Sig, featuring an 8-round capacity with surgical stainless steel construction, large witness cuts and durable music wire springs—minimizing corrosion and maximizing reliability in even the harshest environments.
Keep a few spare magazines handy for trips to the range, home defense, competition, or combat, and don’t forget to rotate loaded mags every 3-6 months.